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08-12-2007 10:06 AM #4
you can not run the gm mark 4 heads on a mark 5/6 engine i have never seen the truck/ thumb rods ever used in a 396 the stock 3/8 bolt rods should take 500 hp with good bolts .if you do, not have any rods you would be better off with some I beam scat rodsLast edited by pat mccarthy; 08-12-2007 at 10:11 AM.
Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip





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Even though I know he won't see this, I still want to wish a Happy Birthday to my best friend, Richard Moore aka techinspector1
Happy Birthday techinspector1